Microbial oil recovery numerical simulation method based on reaction kinetic model

A technology of microbial oil recovery and reaction kinetics, applied in CAD numerical modeling, special data processing application, chemical process analysis/design, etc., can solve the problem of lack of simulation method and parameter determination method, optimization design of microbial oil recovery site implementation plan, etc.

Inactive Publication Date: 2021-06-04
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, so far, the description of the mechanism of microbial oil recovery is mostly a theoretical description of the microorganism itself and its metabolites, lacking the simulat

Method used

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  • Microbial oil recovery numerical simulation method based on reaction kinetic model
  • Microbial oil recovery numerical simulation method based on reaction kinetic model
  • Microbial oil recovery numerical simulation method based on reaction kinetic model

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Embodiment

[0086] The microbial oil recovery numerical simulation method in the embodiment of the present invention adopts figure 1 The process is realized, and the specific steps are as follows:

[0087] Step S1, determining the microbial reaction kinetic components.

[0088] The kinetic components of microbial reactions mainly include microorganisms, oxygen, nutrients, biosurfactants, biopolymers, methane and water.

[0089] Determination of microbial components: Experiments and elemental analysis of microbial components prove that the composition of microbial cells for oil displacement is stable, and the chemical formula can be expressed as C 4-7 h 7-10 o 1-3 N, the relative molecular mass is 85-156, the microbial chemical formula in this example model is C 4 h 10 o 3 N, the relative molecular mass is 120.

[0090] Determination of nutrient components: nutrients are composed of carbon source and nitrogen source, and carbon source is composed of blended oil (C 18-60 h 30- 116 o

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Abstract

The invention relates to a microbial oil recovery numerical simulation method based on a reaction kinetic model. The method specifically comprises the following steps: S1, determining microbial reaction kinetic components; S2, establishing a microbial reaction kinetic equation; S3, determining microbial reaction kinetic parameters; S4, establishing a microbial reaction kinetic model; and S5, creating a geological conceptual model based on CMG software, and verifying the accuracy of the microbial reaction kinetic model. According to the method, the microbial reaction kinetic equation is utilized, the growth, reproduction, metabolism and death characteristics of microorganisms are quantitatively described, functional development is carried out on microbial oil recovery numerical simulation in combination with mature oil reservoir numerical simulation software, and a set of practical microbial oil recovery numerical simulation method is formed. An important reference basis is provided for on-site optimization design of a microbial flooding oil extraction scheme in an oil field.

Description

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Claims

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Application Information

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Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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